Churen Himal West | 1975 W Ridge-W Smt
A Japan expedition to Churen Himal West in 1975 via W Ridge-W Smt, led by Suemitsu Otsuka. Summit reached on 21st October 1975. 7 members recorded.
Expedition Details
| Field | Value |
|---|---|
| ID | 2289 |
| Imported | 2026-03-06 18:04:49.359634 |
| Expedition ID | CHRW75301 |
| Peak ID | CHRW |
| Year | 1975 |
| Season | 3 |
| Host Country | 1 |
| Route 1 | W Ridge-W Smt |
| Route 2 | - |
| Route 3 | - |
| Route 4 | - |
| Nationality | Japan |
| Leaders | Suemitsu Otsuka |
| Sponsor | Hokei Alpine Club Himal Expedition |
| Success 1 | True |
| Success 2 | False |
| Success 3 | False |
| Success 4 | False |
| Ascent 1 | 3rd |
| Ascent 2 | - |
| Ascent 3 | - |
| Ascent 4 | - |
| Claimed | False |
| Disputed | False |
| Countries | - |
| Approach | Kaphe Khola |
| Basecamp Date | 1975-09-12 |
| Summit Date | 1975-10-21 |
| Summit Time | - |
| Summit Days | 39 |
| Total Days | 44 |
| Termination Date | 1975-10-26 |
| Termination Reason | 1 |
| Termination Notes | - |
| High Point (m) | 7371 |
| Traverse | False |
| Ski | False |
| Paraglide | False |
| Camps | 4 |
| Fixed Rope (m) | 0 |
| Total Members | 5 |
| Summit Members | 1 |
| Member Deaths | 0 |
| Total Hired | 4 |
| Summit Hired | 1 |
| Hired Deaths | 1 |
| No Hired | False |
| O2 Used | False |
| O2 None | True |
| O2 Climb | False |
| O2 Descent | False |
| O2 Sleep | False |
| O2 Medical | False |
| O2 Taken | False |
| O2 Unknown | False |
| Other Summits | - |
| Campsites | BC(12/09,4000m),C1(15/09,4550m),C2(22/09,5420m),C3(05/10,5920m),C4(12/10,6470m),C5(18/10,6930m),Smt(21/10) |
| Route Notes | 4 now in KTM. Leave 25 or 26 Aug. Dr Abe arrives 5 Sept and follows quickly. Nagaoka - 6 Aug 75 West Peak via West Ridge, same as spring 1975 (who originally planned Dhaulagiri IV). BC in Kaphe Khola about 4100m and route straight north to ridge. 5 high camps, C5 about 7000m. 2 members arrive KTM 5 Aug. 3 others arrive 20 Aug. Leave for Pokhara 25 Aug by road. Leave Pokhara 1 Sept, arrive BC 15 Sept. Summit end Oct. 4 Sherpas and 3 local porters above BC. Very small, very young expedition. |
| Accidents | - |
| Achievement | - |
| Agency | - |
| Commercial Route | - |
| Standard Route | - |
| Primary Route | False |
| Primary Member | False |
| Primary Reference | - |
| Primary ID | - |
| Checksum | 2448462 |
| Year | 1975 |
| Summit Success | True |
| O2 Summary | None |
| Route (lowercase) | w ridge-w smt |
Members
7 recorded members.
| Name | Sex | Year of Birth | Citizenship | Status | Residence | Occupation | |
|---|---|---|---|---|---|---|---|
| Yasuo Abe | M | 1938 | Japan | Climber | Matsumoto, Nagano, Japan | Physician, pediatrics at Shinsyu University Medical School | Details Other expeditions |
| Masahiro Nagaoka | M | 1950 | Japan | Climber | Hiratsuka, Kanagawa, Japan | Electrical engineer | Details Other expeditions |
| Suemitsu Otsuka | M | 1947 | Japan | Leader | Hiratsuka, Kanagawa, Japan | Staff member, Oye Industry Co., Hiratsuka factory | Details Other expeditions |
| Toshiharu Shirai | M | 1949 | Japan | Climber | Chigasaki, Kanagawa, Japan | Laboratory assistant in Tokyo Medical University | Details Other expeditions |
| Seiichi Takahashi | M | 1949 | Japan | Climber | Yokohama, Japan | Employee of Nippon Kokan Co. | Details Other expeditions |
| Phurakema Sherpa | M | - | Nepal | H-A Worker | - | - | Details Other expeditions |
| R. B. Rana | M | - | Nepal | Liaison Officer | - | Policeman | Details Other expeditions |
References
5 recorded references.
| Expedition ID | Journal | Author | Title | Publisher | Citation | Yak 94 |
|---|---|---|---|---|---|---|
| CHRW75301 | AAJ | Yoshizawa, Ichiro | - | - | 50:522-523 (1976) | - |
| CHRW75301 | MM | - | - | - | 49:11 (May 1976) | - |
| CHRW75301 | IWA | - | - | - | 48:147-146 (1976) | - |
| CHRW75301 | IWA | - | - | - | 48:64 (1976) | - |
| CHRW75301 | - | - | http://publications.americanalpineclub.org/articles/12197652203/Asia-Nepal-Churen-Himal | - | - | - |